Wheels and Axles

Wheels and Axles
定價:583
NT $ 583
  • 作者:BantingErinn
  • 出版社:Baker & Taylor Books
  • 出版日期:2013-07-30
  • 語言:英文
  • ISBN10:1621274357
  • ISBN13:9781621274353
  • 裝訂:平裝 / 18.4 x 24.8 x 0.6 cm / 普通級
 

內容簡介

"Presents information on simple machines with a focus on wheels and axles. Explains what wheels and axles are, how wheels and axles work, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.
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    $583